6 
Turbinolia Donatiana , n. sp. Vermiform; transversely- 
wrinkled : longitudinal plates about eighteen: transverse 
plates irregularly distant. Humbleton Hill. 
Stomatopora (Aulopora) dichotoma, Lamouroux. Hum¬ 
bleton. 
Stenopora independens, n. sp. A branched species, re¬ 
sembling the Russian S. spinigera in having spinous pro¬ 
cesses surrounding the mouths of the tubes; but differing 
from it in having small interpolated tubes, and the large tubes 
suddenly bending outwards towards the surface. It occurs in 
most of the fossiliferous localities of the district. 
Stenopora incrustans , n. sp. Resembling Alveolites ir¬ 
regularis , de Koninck, but it has wider interstitial spaces 
and a greater number of interpolated tubes. It is generally 
found encrusting encrinal internodes at Humbleton, and shells 
at Whitley. 
Ceratophytes anceps, Schlotheim. Common in the various 
fossiliferous localities. 
Ceratophytes dubius, Schl. Common like the former. 
Fenestella retiformis, Schl.— Retepora jiustracea , Phillips. 
Common. 
Fenestella virgulacea , Phill. Common. 
Fenestella Permiana, n. sp. This coral resembles the 
Retepora Martis of Fischer de Waldheim, and the R. prisca 
of Phillips. The meshes are generally arranged in linear 
series: both the longitudinal and transverse interstices are 
celliferous: the cells, which are closely packed (generally 
three on an interstice), have an oval aperture and a polygonal 
base: and the non-celliferous surface is finely longitudinally 
striated. It occurs rarely at Silksworth, Tunstall, and 
Humbleton. 
Spirorbis helix , n. sp. (Humbleton and Byers’ quarry), 
Serpula obscura, n. sp. (Hendon), and Foraminites serpu - 
loides, n. sp. (Humbleton), are obscure fossils, which may be 
merely noticed at present. 
Cyathocrinus ramosus, Schl. Common. 
Cidaris Verneuiliana, n. sp. Plates subhexagonal, a little 
